The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 09, 2013
Filed:
Nov. 18, 2005
Applicants:
Masafumi Usuda, Tokyo, JP;
Anil Umesh, Yokohama, JP;
Takehiro Nakamura, Yokohama, JP;
Inventors:
Assignee:
NTT DoCoMo, Inc., Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a channel allocating method for an IP multimedia subsystem which connects a radio access network and an IP network to provide voice communication and non-voice communication. In the channel allocating method according to the present invention, an enhanced dedicated channel is allocated to a channel for voice communication in a radio uplink, so as to improve a utilization efficiency of radio resources (hardware resources) and to prevent degradation of network capacity, in the channel for voice communication in the IMS.